L-Tyrosine

L-Tyrosine

White crstals or crystalline powder. Freely soluble in formic acid, very slightlysoluble in water,practically insoluble in ethanol and in ether. Dissolve in dilute hydrochloric acid and in dilute nitric acid. Aside from being a proteinogenic amino acid, tyrosine has a special role by virtue of the phenol functionality. It occurs in proteins that are part of signal transduction processes. It functio ns as a receiver of phosphate groups that are transferred by way of protein kinases (so-called receptor tyrosine kinases). Phosphorylation of the hydroxyl group changes the activity of the target protein.

1. What's your payment terms?
T/T or L/C.

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.

3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

4. How about the validity of the products?
According to the products you ordered.

5. What documents you provide? 
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.

Our Services

1.20years industry experience， 4 own factorires, 3 warehouses, sold all over the world

2.High quality products with reasonable price

3.Stable supply with QC center for quality control

4.Updating price trendency and market information

5.Delivery within two weeks after order

6.Over 500 kind of food additives 

7.New sisiter company is engaged to Pharmaceuticals and ingredients

8.A professional sales team